What does the means extremes product property of proportions state?

The suggests that extremes product property of proportion states that the product ought to be equal. The suggests that product is that the product of the 2 inner numbers of the proportion and also the extremes product is that the product of the 2 outer numbers of the proportion.

Explanation:
The means-extreme property of proportions is that the technique that permits you to cross multiply an equation to search out the solution. 

AN example would be, if a/b = c/d then ad = BC.
The means-extremes property of proportions permits you to cross multiply, taking the merchandise of the means that and setting them adequate the product of the extremes.
This property comes in handy once you are making an attempt to solve a proportion.

A. all judges are appointed at the state and federal levels